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After reducing a miscompiled program down to the functions which are being

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miscompiled, try to use the loop extractor to reduce the program down to a
loop nest that is being miscompiled.  In practice, the loop extractor appears
to have too many bugs for this to be useful, but hopefully they will be fixed
soon...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12398 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2004-03-14 22:08:00 +00:00
parent 44a64bccac
commit a1cf1c8c87
2 changed files with 110 additions and 28 deletions
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tools/bugpoint/ExtractFunction.cpp
+5 -1
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@@ -131,7 +131,11 @@ Module *BugDriver::ExtractLoop(Module *M) {
Module *NewM = runPassesOn(M, LoopExtractPasses);
if (NewM == 0) {
std::cerr << "Loop extraction failed. Sorry. :( Please report a bug!\n";
Module *Old = swapProgramIn(M);
std::cout << "*** Loop extraction failed: ";
EmitProgressBytecode("loopextraction", true);
std::cout << "*** Sorry. :( Please report a bug!\n";
swapProgramIn(Old);
return 0;
}